| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] could i [not/n't] [vb infin] | 6 |
|
| 2 | [Wh adv] could i [not/n't] [vb infin] | 5 |
|
| 3 | how could i [not/n't] [vb infin] | 5 |
|
| 4 | how could i [not/n't] [vb infin] | 5 |
|
